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12345 [234]
3 years ago
9

Solve each equation (x+8)(x-2)=-9

Mathematics
2 answers:
Nesterboy [21]3 years ago
5 0
X=1, x=-7 would be the correct answer.
Reptile [31]3 years ago
4 0
Hi

1)(x+8)(x-2)=-9

<span><span><span>2) x​^2</span><span>​​</span></span>−2x+8x−16=−9  


</span><span>​3) x^2+6x−16=−9


</span><span><span>​4) x^2<span>​​</span></span>+6x−16+9=0


</span><span><span><span><span>​5) x^2</span><span>​​</span></span>+6x−7=0 </span>
6) (x−1)(x+7)=0


7) x=1,−7
<span>
I hope helped ^-^

I hope that you give me a brain
</span></span>



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Jenny pays $853 per month for her car payment. How much does she pay per year?
siniylev [52]

$10236 a year for her car payments

7 0
4 years ago
729 = blank to the third power
Crazy boy [7]
One way is to factor and group and get every 3
729=3 times 3 times 3 times 3 times 3 times 3
so we group the ones that happen 3 times
729=(3*3*3) times (3*3*3)
we know that we can take the cube root of each group and multiply the result
729=( \sqrt[3]{3*3*3})( \sqrt[3]{3*3*3})=(3)(3)=9

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4 0
4 years ago
What are the solutions to the system of equations? y=x2−7x+12y=−x+7
kap26 [50]

Answer:

x = 1, y = 6

or

x = 5, y = 2.

Step-by-step explanation:

y=x2−7x+12

y=−x+7

Substitute for y in the first equation:

- x + 7 = x^2 - 7x + 12

x^2 - 7x + x + 12 - 7 = 0

x^2 - 6x + 5 = 0

(x - 1)(x - 5) = 0

x = 1, 5.

When x = 1, y = -1 + 7 = 6.

when x = 5, y = -5+7 = 2.

3 0
2 years ago
1. A breakfast cereal is made of oats, nuts, and raisins. The advertisements boast that 25% of the cereal in each box is almonds
kotykmax [81]

Answer:

Step-by-step explanation:

1) The advertisements boast that 25% of the cereal in each box is almonds. It means that the percentage of the other cereals in the box is 100 - 25= 75%

Therefore, the portion of each box that is not almonds is 75/100 = 0.75

2) The advertisements boast that 25% of the cereal in each box is almonds. If each box contains 12 cups of cereal, then the number of cups of almonds in each box is

25/100 × 12 = 3 cups

3) if each box contains 12 cups of cereal, and 4 cups are oats, then the percentage of each box that is oats is

4/12 × 100 = 33.33%

4 0
3 years ago
Need help ASAP will vote brainliest
xeze [42]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
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